Mossberg 83D or 183D. 3-shot, takedown, .410 bore only. 2-shell fixed top- loading magazine. 23-in. bbl. w/2 interchangeable choke tubes, mod. and full. Later production had 24-in. bbl. Plain 1-piece pistol grip stock. Weight about 5.5 lbs. Originally designated Model 83-D, changed in 1947 to Model 183-D. Made 1940-71. In excellent con. $100.00. Source, Gun Traders Guide, twenty-third edition. Seems to me it would be worth a little more, but I do like those old shotguns. Hope that helps.